20252421414535 has 16 divisors (see below), whose sum is σ = 24713975561472. Its totient is φ = 15928162848000.

The previous prime is 20252421414517. The next prime is 20252421414551. The reversal of 20252421414535 is 53541412425202.

It is not a de Polignac number, because 20252421414535 - 2¹⁷ = 20252421283463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16422214 + ... + 17612323.

It is an arithmetic number, because the mean of its divisors is an integer number (1544623472592).

Almost surely, 2^{20252421414535} is an apocalyptic number.

20252421414535 is a deficient number, since it is larger than the sum of its proper divisors (4461554146937).

20252421414535 is a wasteful number, since it uses less digits than its factorization.

20252421414535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34036554.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 20252421414535 its reverse (53541412425202), we get a palindrome (73793833839737).

The spelling of 20252421414535 in words is "twenty trillion, two hundred fifty-two billion, four hundred twenty-one million, four hundred fourteen thousand, five hundred thirty-five".